Loading Model on Parallel Workers

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Rob Robinson 2020-7-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/568413-loading-model-on-parallel-workers

评论： Rahul Kumar 2021-1-11

I am trying to run a parsim of my Simulink model, varying the value of a resistor. The script seems to get the stage "Loading Model on Parallel Workers" however does not progress any further. My code is shown below.

model = 'ElectricalModel';
open_system(model,'loadonly');
resistances = linspace(100,110,2);
numSims = length(resistances);
simIn(1:numSims) = Simulink.SimulationInput(model);
for i = 1:numSims   
   simIn(i) = simIn(i).setBlockParameter([model '/Resistor'],'R',num2str(resistances(i)));
end
out = parsim(simIn, 'ShowProgress', 'on','ShowSimulationManager','on');

The script seems to be stuck in this while loop which is part of the JavaBackedFuture.m file.

while ~predicate(obj) && ~deadlineExpired
    millisToWait    = min(waitGranularity, iGetMillisRemaining(deadline));
    deadlineExpired = (millisToWait == 0);
    javaTask.await(millisToWait, millisUnit);
    if ~predicate(obj)
        iJavaLog(4, 'parallel.Future waiting for ID: %d', obj.ID);
        % Ensure wait() is re-entrant by incorporating a drawnow.
        drawnow();
    end
end

Any suggestions would be greatly appreciated.

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Rahul Kumar 2021-1-11

Hi Rob,

Can you please confirm if your system has enough memory for all the parallel workers? The only thing I can think of is that the system is running low on memory and has started to page the memory which can make processing extremely slow.

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